Home / 56,786.10-85,098.80-31,496.82

Finding the Fourth Proportional to 56,786.10, 85,098.80 and 31,496.82

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Solution

The fourth proportional to 56,786.10, 85,098.80 and 31,496.82 is: 47,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,786.10 : 85,098.80 = 31,496.82 : x
  2. Step 2: Convert to fraction form
    56,786.10/85,098.80 = 31,496.82/x
  3. Step 3: Cross multiply
    56,786.10x = 85,098.80 × 31,496.82
  4. Step 4: Simplify right side
    56,786.10x = 2,680,341,428.33
  5. Step 5: Solve for x
    x = 2,680,341,428.33/56,786.10
  6. Step 6: Final answer
    x = 47,200.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.